package net.minecraft.block;

import net.minecraft.block.material.Material;
import net.minecraft.block.state.IBlockState;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.util.BlockPos;
import net.minecraft.world.World;

public class BlockAir extends Block {
	protected BlockAir() {
		super(Material.air);
	}

	/**
	 * The type of render function called. 3 for standard block models, 2 for
	 * TESR's, 1 for liquids, -1 is no render
	 */
	public int getRenderType() {
		return -1;
	}

	public AxisAlignedBB getCollisionBoundingBox(World worldIn, BlockPos pos, IBlockState state) {
		return null;
	}

	/**
	 * Used to determine ambient occlusion and culling when rebuilding chunks for
	 * render
	 */
	public boolean isOpaqueCube() {
		return false;
	}

	public boolean canCollideCheck(IBlockState state, boolean hitIfLiquid) {
		return false;
	}

	/**
	 * Spawns this Block's drops into the World as EntityItems.
	 */
	public void dropBlockAsItemWithChance(World worldIn, BlockPos pos, IBlockState state, float chance, int fortune) {
	}

	/**
	 * Whether this Block can be replaced directly by other blocks (true for e.g.
	 * tall grass)
	 */
	public boolean isReplaceable(World worldIn, BlockPos pos) {
		return true;
	}
}
